*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    height: 100vh;
    background-color: rgb(105,
        110,
        220);
    display: flex;
    justify-content: center;
    align-items: center;
}
.container{
    background-color: #fff;
    border-radius: 5px;
    height: 300px;
    width: 500px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    padding: 30px 50px;
}
.container .title{
    font-size: 25px;
    color: #333;
}
.container .content{
    font-size: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.container .btn{
    width: 100px;
    height: 30px;
    background-color: rgb(160,
        106,
        220);
        color: #fff;
        outline: none;
        border: 0;
        border-radius: 2px;
        box-shadow:3px 2px 10px rgba(0,0,0,.4);
}
.container .btn:active{
    transform: scale(0.98);
}